What happened: Pete Crow-Armstrong hit for the cycle, becoming the 13th player in Chicago Cubs history to record a single, double, triple and home run in the same game. The feat caps a standout individual stretch for the young center fielder, who entered the day as one of the club's hottest bats. It is the latest milestone in a season that has put Crow-Armstrong in the

Why it matters: Cycles are among the rarest single-game accomplishments in baseball, and reaching the milestone places Crow-Armstrong in select company across more than a century of Cubs history. For a Chicago club hovering around .500, individual production from a cornerstone young player carries weight as the team fights to stay in the mix. The series between the Cubs and Colorado Rockies is tied 2-2.

What to watch: The Cubs and Rockies are scheduled to meet again with the series knotted at 2-2. Watch whether Crow-Armstrong can carry the momentum forward as Chicago looks to gain ground.